What simple machine would move or turn an object? wheel and axle lever screw wedge

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton